한국분무공학회지 (Journal of ILASS-Korea)

  • 제27권2호
  • /
  • Pages.66-76
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  • 2022
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  • 1226-2277(pISSN)
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  • 2288-9051(eISSN)
한국분무공학회 (Institute for Liquid Atomization and Spray Systems-Korea)
권호 표지
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Methane-based TRAPP method를 이용한 탄화수소 항공유의 전달 물성치 예측 연구

A Study on the Prediction of Transport Properties of Hydrocarbon Aviation Fuels Using the Methane-based TRAPP Method

  • 황성록 (부경대학교 대학원 기계공학과) ;
  • 이형주 (부경대학교 기계공학과)
  • 투고 : 2022.03.02
  • 심사 : 2022.04.27
  • 발행 : 2022.06.30
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초록

This study presents a prediction methodology of transport properties using the methane-based TRAPP (m-TRAPP) method in a wide range of temperature and pressure conditions including both subcritical and supercritical regions, in order to obtain thermo-physical properties for hydrocarbon aviation fuels and their products resulting from endothermic reactions. The viscosity and thermal conductivity are predicted in the temperature range from 300 to 1000 K and the pressure from 0.1 to 5.0 MPa, which includes all of the liquid, gas, and the supercitical regions of representative hydrocarbon fuels. The predicted values are compared with those data obtained from the NIST database. It was demonstrated that the m-TRAPP method can give reasonable predictions of both viscosity and thermal conductivity in the wide range of temperature and pressure conditions studied in this paper. However, there still exists large discrepancy between the current data and established values by NIST, especially for the liquid phase. Compared to the thermal conductivity predictions, the calculated viscosities are in better agreement with the NIST database. In order to consider a wide range of conditions, it is suggested to select an appropriate method through further comparison with another improved prediction methodologies of transport properties.

키워드

과제정보

본 연구는 한국연구재단 학문균형발전지원사업(보호연구)에 의하여 수행되었습니다(과제번호: 2021R1I1A205676911).

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